<template>
	<div>
		<!-- 面包屑导航区域 -->
		<el-breadcrumb separator-class="el-icon-arrow-right">
			<el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
			<el-breadcrumb-item>数据统计</el-breadcrumb-item>
			<el-breadcrumb-item>数据报表</el-breadcrumb-item>
		</el-breadcrumb>

		<!-- 卡片视图区域 -->
		<el-card>
			<!-- 2、为ECharts准备一个具备大小（宽高）的Dom -->
			<div id="main" style="width: 800px;height:400px;"></div>
		</el-card>
	</div>
</template>

<script>
	//1、导入echarts
	import * as echarts from 'echarts'
	import _ from 'lodash'
	export default {
		data() {
			return {
				//需要合并的数据
				options: {
					title: {
						text: '用户来源'
					},
					tooltip: {
						trigger: 'axis',
						axisPointer: {
							type: 'cross',
							label: {
								backgroundColor: '#E9EEF3'
							}
						}
					},
					grid: {
						left: '3%',
						right: '4%',
						bottom: '3%',
						containLabel: true
					},
					xAxis: [{
						boundaryGap: false
					}],
					yAxis: [{
						type: 'value'
					}]
				}
			}
		},
		created() {},
		// 此时页面上的元素已经被渲染完毕了！
		async mounted() {
			// 3、基于准备好的dom，初始化echarts实例
			var myChart = echarts.init(document.getElementById('main'));
			const {
				data: res
			} = await this.$http.get('reports/type/1')
			if (res.meta.status !== 200) {
				return this.$message.error('获取折线图数据失败！')
			}
			// 4、准备数据和配置项
			const result=_.merge(res.data,this.options)
			// var option = {
			// 	title: {
			// 		text: 'ECharts 入门示例'
			// 	},
			// 	tooltip: {},
			// 	legend: {
			// 		data: ['销量']
			// 	},
			// 	xAxis: {
			// 		data: ["衬衫", "羊毛衫", "雪纺衫", "裤子", "高跟鞋", "袜子"]
			// 	},
			// 	yAxis: {},
			// 	series: [{
			// 		name: '销量',
			// 		type: 'bar',
			// 		data: [5, 20, 36, 10, 10, 20]
			// 	}]
			// }
			// 5、展示数据
			myChart.setOption(result)
		},
		methods: {}
	}
</script>

<style>
</style>
